CVE-2017-15227 Use after free in n/a
A use-after-free vulnerability in Irssi allows attackers to cause denial of service or potentially execute code via channel synchronization issues.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-15227?
CVE-2017-15227 is a high-severity use after free vulnerability in n/a, published on 22 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Irssi before 1.0.5, while waiting for the channel synchronisation, may incorrectly fail to remove destroyed channels from the query list, resulting in use-after-free conditions when updating the state later on.
Weakness: CWE-416
Which versions are affected by CVE-2017-15227?
It affects 1 product.
Products include Irssi Irssi.
How do I fix CVE-2017-15227?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2017-15227 being exploited?
There is no known exploitation of CVE-2017-15227 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as ALPINE-CVE-2017-15227, DEBIAN-CVE-2017-15227, GHSA-fxx4-c6q5-9c62, UBUNTU-CVE-2017-15227.